National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Pease Air Force Base / Portsmouth (KPSM)

Lat: 43.08°NLon: 70.82°WElev: 102ft.

Fair

9°F

-13°C

Humidity 49%
Wind Speed W 5 mph
Barometer 30.29 in (1026.2 mb)
Dewpoint -7°F (-22°C)
Visibility 10.00 mi
Wind Chill0°F (-18°C)
Last update 5 Dec 5:55 am EST
Extended Forecast for

New Castle NH

  • Today

    Today: Sunny, with a high near 26. Wind chill values as low as zero. Southwest wind around 5 mph.

    High: 26 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 19. Southwest wind around 5 mph becoming calm after midnight.

    Low: 19 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow showers, mixing with rain after noon, then gradually ending. Mostly cloudy, with a high near 38. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 38 °F

    Chance Snow
    Showers then
    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 25. West wind around 5 mph.

    Low: 25 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 37. Northwest wind around 5 mph.

    High: 37 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Snow likely, mainly between 10pm and 5am. Mostly cloudy, with a low around 18. Chance of precipitation is 60%.

    Low: 18 °F

    Chance Snow
    then Snow
    Likely

  • Monday

    Monday: A 30 percent chance of snow before 7am. Mostly sunny, with a high near 26.

    High: 26 °F

    Chance Snow
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 10.

    Low: 10 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 26. Wind chill values as low as zero. Southwest wind around 5 mph.
Tonight
Mostly cloudy, with a low around 19. Southwest wind around 5 mph becoming calm after midnight.
Saturday
A chance of snow showers, mixing with rain after noon, then gradually ending. Mostly cloudy, with a high near 38. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 25. West wind around 5 mph.
Sunday
Partly sunny, with a high near 37. Northwest wind around 5 mph.
Sunday Night
Snow likely, mainly between 10pm and 5am. Mostly cloudy, with a low around 18. Chance of precipitation is 60%.
Monday
A 30 percent chance of snow before 7am. Mostly sunny, with a high near 26.
Monday Night
Mostly clear, with a low around 10.
Tuesday
Partly sunny, with a high near 32.
Tuesday Night
A chance of snow between 7pm and midnight. Mostly cloudy, with a low around 25. Chance of precipitation is 50%.
Wednesday
Mostly cloudy, with a high near 44.
Wednesday Night
Rain likely. Cloudy, with a low around 34. Chance of precipitation is 70%.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 42.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New Castle NH
 43.04°N 70.72°W (Elev. 3 ft)
Last Update:
6:20 am EST Dec 5, 2025
Forecast Valid:
6am EST Dec 5, 2025-6pm EST Dec 11, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation